A client who had a knee replacement surgery receives a prescription for enoxaparin 30 mg subcutaneously every 12 hours for 10 days. The medication is available in 30 mg per 0.3 mL prefilled syringes. How many mL should the practical nurse (PN) administer each day? (Enter numerical value only.)
The Correct Answer is ["0.6"]
- Medication dose: 30 mg enoxaparin
- Medication concentration: 30 mg per 0.3 mL (prefilled syringe)
- Frequency: Every 12 hours
- Duration: 10 days
Calculation:
- Injections per day: Since the medication is given every 12 hours, the client will receive injections 2 times per day (24 hours / 12 hours/injection).
- Total medication per day: To find the total amount of enoxaparin needed per day, multiply the single injection dose by the number of injections:
Total enoxaparin/day = Dose per injection x Number of injections/day = 30 mg/injection x 2 injections/day = 60 mg/day
- Volume of medication per day: Now, we need to find the volume of solution needed to deliver the total daily dose (60 mg) based on the medication concentration (30 mg/0.3 mL). We can achieve this with a proportion:
Volume (mL) / Total dose (mg) = Concentration (mg/mL)
Volume (mL) = (Total dose (mg) x Concentration (mL/mg)) / Concentration (mg/mL)
Plugging in the values:
Volume (mL) = (60 mg x 0.3 mL/mg) / 30 mg/mL
Volume (mL) = 18 mL / 30 mL/mL
Simplifying:
Volume (mL) = 0.6 mL
Therefore, the practical nurse (PN) should administer 0.6 mL of enoxaparin each day.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C","E"]
Explanation
A. Acetaminophen 600 mg PO every 6 hours PRN for pain or temperature greater than 100° F (37.7° C)
While acetaminophen is necessary for managing fever or pain, it is a PRN medication, meaning it is only given based on specific symptoms (temperature greater than 100°F or pain). Immediate administration is not required unless the client’s symptoms meet these criteria.
B. Contact precautions
Contact precautions are crucial for preventing the spread of MRSA, a highly contagious pathogen. Immediate implementation is necessary to protect both the client and others in the healthcare setting from infection.
C. Vancomycin 500 mg IV piggyback every 6 hours
Vancomycin is prescribed to treat the MRSA infection. It should be administered as ordered to manage the infection effectively and prevent complications from the surgical site infection.
D. Place peripheral IV
The peripheral IV has already been placed, as indicated by the notes. This action would have been necessary before starting the IV medication orders but is not an immediate task at this time.
E. Change turban dressing by cleansing with sterile water, patting dry, applying dry gauze over incision, and wrapping head with kerlix
Changing the turban dressing is necessary to manage the infection at the surgical site. This must be done according to the prescribed procedure to maintain sterile conditions and support healing.
F. Strict intake and output
While monitoring intake and output is important, it does not need to be done immediately but should be started as per the order to monitor the client’s fluid balance over time.
G. Clear liquid diet
Initiating a clear liquid diet is important for nutritional support, but it does not need to be started immediately. It is part of the general care plan but does not have the same urgency as infection control and medication administration
Correct Answer is B
Explanation
A. Eliminating citrus drinks is not specifically related to preventing dumping syndrome. While citrus drinks might irritate the stomach, the main dietary consideration for dumping syndrome is the timing of fluid intake.
B. Consuming fluids 30 minutes to one hour after meals helps prevent dumping syndrome. Drinking fluids too close to meal times can increase the risk of dumping syndrome by accelerating gastric emptying.
C. Increasing the intake of carbonated fluids after meals is not recommended for preventing dumping syndrome. Carbonated drinks can exacerbate symptoms rather than help prevent them.
D. Avoiding caffeinated beverages can be part of general dietary recommendations, but it is not the primary measure to prevent dumping syndrome. The timing of fluid intake relative to meals is more crucial.
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